<?php
/**
* LICENSE
*
* This source file is subject to the new BSD license
* It is available through the world-wide-web at this URL:
* http://www.petala-azul.com/bsd.txt
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to geral@petala-azul.com so we can send you a copy immediately.
*
* @package Bvb_Grid
* @author Bento Vilas Boas <geral@petala-azul.com>
* @copyright 2010 ZFDatagrid
* @license http://www.petala-azul.com/bsd.txt New BSD License
* @version $Id$
* @link http://zfdatagrid.com
*/
class Bvb_Grid_Source_Zend_Table extends Bvb_Grid_Source_Zend_Select
{
private $_model;
/**
*
* @var array
*/
protected $_relationMap = array();
/**
* Returns current model
*
* @return Zend_Db_Table
*/
public function getModel ()
{
return $this->_model;
}
/**
* Returns current relationmap
*
* @return array
*/
public function getRelationMap()
{
return $this->_relationMap;
}
/**
* Builds form input types
*
* @param array $inputsType Elements input types
*
* @return array
*/
public function buildForm ($inputsType = array())
{
$info = $this->getModel()->info();
$cols = $info['metadata'];
$form = $this->buildFormElements($cols, $info, $inputsType, $this->_relationMap);
return $form;
}
/**
* Creating a query using a Model.
*
* @param Zend_Db_Table_Abstract $model
* @param array $relationmap Relation map for joins
*
* @return $this
*/
public function __construct (Zend_Db_Table_Abstract $model,array $relationMap = array())
{
$this->_model = $model;
$this->_relationMap = $relationMap;
$info = $model->info();
$select = $model->select();
$map = $info['referenceMap'];
$map = array_merge_recursive($map,$this->_relationMap);
$this->_relationMap = $map;
if ( is_array($map) && count($map) > 0 ) {
$select->setIntegrityCheck(false);
/**
$columnsToRemove = array();
foreach ( $map as $sel ) {
if ( is_array($sel['columns']) ) {
$columnsToRemove = array_merge($columnsToRemove, $sel['columns']);
} else {
$columnsToRemove[] = $sel['columns'];
}
}
$columnsMainTable = array_diff($info['cols'], $columnsToRemove);*/
$columnsMainTable = $info['cols'];
$select->from($info['name'], $columnsMainTable, $info['schema']);
$tAlias = array($info['name'] => 1);
$this->_setJoins($info['name'], $map, $select, $tAlias);
}else{
$select->from($info['name'], $info['cols'], $info['schema']);
}
parent::__construct($select);
return $this;
}
private function _setJoins ($tName, array $map, &$select, array &$tAlias = array())
{
foreach ( $map as $sel ) {
$class = new $sel['refTableClass']();
$info = $class->info();
if ( ! isset($tAlias[$info['name']]) ) {
$tAlias[$info['name']] = 0;
}
$alias = $tAlias[$info['name']] > 0 ? '_' . $tAlias[$info['name']] : null;
if ( is_array($sel['columns']) ) {
if ( ! is_array($sel['refColumns']) || (count($sel['columns']) != count($sel['refColumns'])) ) {
throw new Bvb_Grid_Exception('Mapping of ' . $sel['refTableClass'] . ' is wrong: columns and refColumns must have same type. In case of arrays, they must have same length.');
}
if ( ! array_key_exists('refBvbColumns', $sel) ) {
$cols = null;
} else {
if ( ! is_array($sel['refBvbColumns']) ) {
$cols = array($sel['columns'][0] => $sel['refBvbColumns']);
} else {
$cols = $sel['refBvbColumns'];
}
}
$tFields = array_combine($sel['columns'], $sel['refColumns']);
$join = null;
foreach ( $tFields as $key => $value ) {
if ( ! is_null($join) ) {
$join .= ' AND ';
}
$join .= $info['name'] . $alias . '.' . $value . ' = ' . $tName . '.' . $key;
}
$select->joinLeft(array($info['name'] . $alias => $info['name']), $join, $cols, $info['schema']);
$tAlias[$info['name']] ++;
} else {
if ( is_array($sel['refColumns']) ) {
throw new Bvb_Grid_Exception('Mapping of ' . $sel['refTableClass'] . ' is wrong: columns and refColumns must have same type.');
}
if ( array_key_exists('refBvbColumns', $sel) ) {
if ( is_array($sel['refBvbColumns']) ) {
$cols = $sel['refBvbColumns'];
} else {
$cols = array_combine((array) $sel['columns'], (array) $sel['refBvbColumns']);
}
} else {
$cols = null;
}
$select->joinLeft(array($info['name'] . $alias => $info['name']), $info['name'] . $alias . '.' . array_shift($info['primary']) . ' = ' . $tName . '.' . $sel['columns'], $cols, $info['schema']);
}
$tAlias[$info['name']] ++;
if ( ! array_key_exists('refBvbFollow', $sel) ) {
$sel['refBvbFollow'] = false;
}
if ( is_array($info['referenceMap']) && count($info['referenceMap']) > 0 && $sel['refBvbFollow'] ) {
$this->_setJoins($info['name'], $info['referenceMap'], $select, $tAlias);
}
}
}
public function getRecord ($table, array $condition)
{
if ( $this->_cache['enable'] == 1 ) {
$hash = 'Bvb_Grid_Model' . md5($this->buildWhereCondition($condition));
if ( ! $result = $this->_cache['instance']->load($hash) ) {
$result = call_user_func_array(array($this->getModel(),'find'), $condition);
$this->_cache['instance']->save($result, $hash, array($this->_cache['tag']));
}
} else {
$result = call_user_func_array(array($this->getModel(),'find'), $condition);
}
if($result->current() === null)
{
return array();
}
return $result->current()->toArray();
}
/**
* Executes the current query and returns an associative array of results
*
* @return array
*/
public function execute()
{
$this->_prepareExecute();
if ($this->_cache['enable'] == 1) {
$hash = 'Bvb_Grid' . md5($this->_select->__toString());
if (!$result = $this->_cache['instance']->load($hash)) {
$result = $this->getModel()->fetchAll($this->_select);
$this->_cache['instance']->save($result, $hash, array($this->_cache['tag']));
}
} else {
$result = $this->getModel()->fetchAll($this->_select);
if ($this->_server == 'mysql') {
$this->_totalRecords = $this->_select->getAdapter()->fetchOne('select FOUND_ROWS()');
}
}
return $result;
}
public function fetchDetail ( array $where)
{
if ( $this->_cache['enable'] == 1 ) {
$hash = 'Bvb_Grid_Model' . md5($this->buildWhereCondition($where));
if ( ! $result = $this->_cache['instance']->load($hash) ) {
$result = call_user_func_array(array($this->getModel(),'find'), $where);
$this->_cache['instance']->save($result, $hash, array($this->_cache['tag']));
}
} else {
$result = call_user_func_array(array($this->getModel(),'find'), $where);
}
if ( $result === null ) {
return false;
}
$result = $result->toArray();
if (isset($result[0]['ZFG_GHOST'])) {
unset($result[0]['ZFG_GHOST']);
}
return $result[0];
}
public function delete ($table, array $condition)
{
if ( $this->_cache['enable'] == 1 ) {
$this->_cache['instance']->clean(Zend_Cache::CLEANING_MODE_MATCHING_TAG, array($this->_cache['tag']));
}
$result = call_user_func_array(array($this->getModel(),'find'), $condition);
if($result->current() === null)
{
return array();
}
$return = $result->current()->delete();
return $return;
}
public function update ($table, array $post, array $condition)
{
if ( $this->_cache['enable'] == 1 ) {
$this->_cache['instance']->clean(Zend_Cache::CLEANING_MODE_MATCHING_TAG, array($this->_cache['tag']));
}
$result = call_user_func_array(array($this->getModel(),'find'), $condition);
$return = $result->current()->setFromArray($post)->save();
return $return;
}
public function insert ($table, array $post)
{
if ( $this->_cache['enable'] == 1 ) {
$this->_cache['instance']->clean(Zend_Cache::CLEANING_MODE_MATCHING_TAG, array($this->_cache['tag']));
}
$return = $this->getModel()->createRow($post)->save();
return $return;
}
/**
* Get the primary table key
* This is important because we only allow edit, add or remove records
* From tables that have on primary key
*
* @return array
*/
public function getIdentifierColumns ($table)
{
$info = $this->_model->info();
$keys = array();
foreach ( $info['primary'] as $pk ) {
$keys[] = $info['metadata'][$pk]['TABLE_NAME'] . '.' . $pk;
}
return $keys;
}
}
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